One of the most useful developer tools that I have come across while developing is NotePad ++. It is simple and lightweight so it loads up ultra quick. This is really useful when you just want to edit or create a text based document. The great thing about it is its completely free. So there is a good reason why you should download and play around with it.

Notepad ++ has some excellent features like the find and replace which can use regular expressions as well. It allows you to search with in a folder, all open documents, generate a list of where it found a match and can replace in all open files. There are plenty utilities on the find and replace making its so very useful for fast development. Read more